code: def _centered(A):
      mu = A.mean(axis=0)
      return A - mu, mu
  
file_path: catboost/contrib/python/scipy/py2/scipy/linalg/tests/test_procrustes.py
imports: from itertools import product, permutations
  import numpy
  from numpy.testing import assert_array_less, assert_allclose
  from pytest import raises
  from scipy.linalg import inv, eigh, norm
  from scipy.linalg import orthogonal_procrustes
  from scipy.sparse.sputils import matrix
label_desc: Use image node_id 8 for calling a global function with example usage: _centered(A) and returns: unknown,  mu